Ten-gauge: Meaning and Definition of

10-gauge

Pronunciation: (ten'gāj"), [key]
— n.
  1. Also calleda shotgun using a shell of approx. 0.775 in. (1.97 cm) in diameter.
  2. the shell itself.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.